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Name
  MASTER OT J095310.04+335352.8  
AAVSO UID
--  
Constellation
Leo Minor Sequence
J2000.0
09 53 10.00 +33 53 52.7  (148.29167 +33.89797) Search nearby
B1950.0 09 50 12.33 +34 08 01.9
Galactic coord. 191.664 +51.314
Other names

(Internal only)
2MASS J09531000+3353527 CMC14 J095310.0+335352 CSS_J095310.0+335351
GSC 02505-00672 GSC2.3 N9AZ000097 IRAS F09501+3408
NSVS 7507001 SDSS J095309.98+335352.6 TYC 2505-672-1
USNO-B1.0 1238-0188417    
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Variability type
VAR
Spectral type M2III
Mag. range
10.03 - 14.31 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Eclipsing disk system. (2018ApJ...854..109Z )
2 Jansen, R Fading in 1942, brightening in 1945. Fading in 2011, brightening in 2014.
3 Otero, Sebastian Alberto J-K= 1.05. B-V= 1.35 at V= 15.0 (APASS).
4 2013ATel.4784....1D Bright early 2011, fading at the end of 2011, and faint afterwards.
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References
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1 Kazarovets, E.V.; Samus, N.N.; Durlevich, O.V. et al., 2019, The 82nd
Name-List of Variable Stars. Part I - RA 0hr to 18hr, Novae and
Globular-cluster Variables
2019IBVS.6261....1K
2 Zhou, G.; Rappaport, S.; Nelson, L.; et al., 2018, Occultations from an
Active Accretion Disk in a 72-day Detached Post-Algol System Detected by K2
2018ApJ...854..109Z
3 Rodriguez, J. E.; et al., 2016, An Extreme Analogue of $epsilon$ Aurigae:
An M-giant Eclipsed Every 69 Years by a Large Opaque Disk Surrounding a
Small Hot Source
2016arXiv160100135R
4 V. Lipunov; E. Gorbovskoy; V. Afanasiev; et al., 2016, Discovery of an
unusual bright eclipsing binary with the longest known period: TYC
2505-672-1/MASTER OT J095310.04+335352.8
2016A&A...588A..90L
5 Afanasiev, V.; Denisenko, D.; et al., 2013, ATel #4834 2013ATel.4834....1A
6 D. Denisenko, E. Gorbovskoy, V. Lipunov et al., 2013, ATel #4784 2013ATel.4784....1D
7 Catalina Real-time Transient Survey (A.J. Drake, et al. 2009) 2009ApJ...696..870D
8 Wozniak, P.R., et al., 2004, Northern Sky Variability Survey: Public Data
Release
2004AJ....127.2436W
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Supporting Documents
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4 Light curve from 1891 to 2014 Jansen, R 2014-08-03 15:12 UTC Light curve combining Harvard DASCH, 2MASS, NSVS, CRTS and MASTER data, all transformed or shifted to the APASS V scale, and AAVSO observations
3 Phase plot with Harvard DASCH photometry Jansen, R 2014-07-27 22:02 UTC Phase plot from observations 1890-2014, showing that the star is nearly constant between eclipse-like faintenings.
2 Light curve with available survey data Otero, Sebastian Alberto 2013-02-05 11:02 UTC Light curve combining CRTS, MASTER, APASS, Tycho, SDSS and NSVS data transformed or shifted to the APASS V scale.
1 Light curve from 2009 to Feb.2012 Otero, Sebastian Alberto 2013-02-05 10:58 UTC Light curve combining CRTS, APASS and MASTER data shifted to the APASS V scale.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
8 Otero, Sebastian Alberto 2024-06-28 04:45 UTC Type from 2018ApJ...854..109Z.
7 Admin, VSX 2019-04-04 01:08 UTC Name from [2019IBVS.6261....1K].
6 Otero, Sebastian Alberto 2017-07-07 01:17 UTC Discoverers added.
5 Otero, Sebastian Alberto 2016-01-29 20:18 UTC Range from AAVSO V data. Secondary's spectral type from 2016arXiv160100135R.
4 Jansen, R 2014-07-27 22:02 UTC Revision of variable type.
Added: phase plots, period, epoch, eclipse duration, spectral type from 2013ATel.4834....1A.
3 Otero, Sebastian Alberto 2013-02-05 11:02 UTC Reference and light curve added.
2 Otero, Sebastian Alberto 2013-02-05 10:58 UTC Type and range from CRTS, APASS, Tycho, NSVS and MASTER data.
1 Admin, VSX 2013-02-05 04:05 UTC Preserved original object data.